Margaret O'brien, LMHC - Medicare Counselor in Arlington, MA

Margaret O'brien, LMHC is a medicare enrolled "Counselor - Mental Health" provider in Arlington, Massachusetts. Her current practice location is 406 Massachusetts Ave, Arlington, Massachusetts. You can reach out to her office (for appointments etc.) via phone at (781) 488-8243.

Margaret O'brien is licensed to practice in Massachusetts (license number 11198) and she also participates in the medicare program. She does not accept medicare assignments directly but she may accept medicare through third-party (refer to Reassignment section below) and may also prescribe medicare part D drugs. Her NPI Number is 1891246518.

Contact Information

Margaret O'brien, LMHC
406 Massachusetts Ave,
Arlington, MA 02474-6700
(781) 488-8243
Not Available

Map and Direction


Healthcare Provider's Profile

Full NameMargaret O'brien
GenderFemale
SpecialityCounselor - Mental Health
Location406 Massachusetts Ave, Arlington, Massachusetts
Accepts Medicare AssignmentsMedicare enrolled and may accept medicare through third-party reassignment. May prescribe medicare part D drugs.
  NPI Data:
  • NPI Number: 1891246518
  • Provider Enumeration Date: 10/18/2016
  • Last Update Date: 07/19/2024
  Medicare PECOS Information:
  • PECOS PAC ID: 7618319617
  • Enrollment ID: I20240522001817

Medical Identifiers

Medical identifiers for Margaret O'brien such as npi, medicare ID, medicare PIN, medicaid, etc.
IdentifierTypeStateIssuer
1891246518NPI-NPPES

Medical Taxonomies and Licenses

TaxonomyTypeLicense (State)Status
101YM0800XCounselor - Mental Health LMHC11198 (Massachusetts)Secondary
101YM0800XCounselor - Mental Health 11198 (Massachusetts)Primary

Medicare Reassignments

Some practitioners may not bill the customers directly but medicare billing happens through clinics / group practice / hospitals where the provider works. Medicare reassignment of benefits is a mechanism by which practitioners allow third parties to bill and receive payment for medicare services performed by them. Margaret O'brien allows following entities to bill medicare on her behalf.
Entity NameThrive Counseling Llc
Entity TypePart B Supplier - Clinic/group Practice
Entity IdentifiersNPI Number: 1215181300
PECOS PAC ID: 0749458420
Enrollment ID: O20110725000191

Medicare Part D Prescriber Enrollment

Any physician or other eligible professional who prescribes Part D drugs must either enroll in the Medicare program or opt out in order to prescribe drugs to their patients with Part D prescription drug benefit plans. Margaret O'brien is enrolled with medicare and thus, if eligible, can prescribe medicare part D drugs to patients with medicare part D benefits.

Mailing Address and Practice Location

Mailing AddressPractice Location Address
Margaret O'brien, LMHC
17 Florence Ave,
Arlington, MA 02476-5909

Ph: (857) 206-6004
Margaret O'brien, LMHC
406 Massachusetts Ave,
Arlington, MA 02474-6700

Ph: (781) 488-8243

Reviews and Comments


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Medicare Program: Medicare is a federal government program which provides health insurance to people who are 65 or older. This program also covers certain younger people with disabilities (who receive Social Security Disability Insurance - SSDI), and people with End-Stage Renal Disease (permanent kidney failure requiring dialysis or a transplant, sometimes called ESRD.

Medicare Assignment: Assignment means that your doctor, provider, or supplier agrees (or is required by law) to accept the Medicare-approved amount as full payment for covered services. Most doctors, providers, and suppliers accept assignment, but you should always check to make sure. Participating providers have signed an agreement to accept assignment for all Medicare-covered services.

NPI Number: The National Provider Identifier (NPI) is a unique identification number for covered health care providers. The NPI must be used in lieu of legacy provider identifiers in the HIPAA standards transactions. Covered health care providers and all health plans and health care clearinghouses must use the NPIs in the administrative and financial transactions adopted under HIPAA (Health Insurance Portability and Accountability Act).

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